<?php

namespace app\common\library;

use app\common\model\Admin;
use app\common\model\User;
use app\common\model\UserRule;
use app\shopapi\model\ShopUser;
use fast\Http;
use fast\Random;
use think\Cache;
use think\Config;
use think\Db;
use think\Exception;
use think\Hook;
use think\Request;
use think\Validate;

class Shopauth
{
    protected static $instance = null;
    protected $_error = '';
    protected $_logined = false;
    protected $_user = null;
    protected $_token = '';
    //Token默认有效时长
    protected $keeptime = 2592000;
    protected $requestUri = '';

    protected $rules = [];
    //默认配置
    protected $config = [];
    protected $options = [];
    protected $allowFields = ['id', 'username','nickname', 'mobile', 'avatar','shop_id'];

    protected $appSecret;
    protected $appid;

    public function __construct($options = [])
    {
        if ($config = Config::get('user')) {
            $this->config = array_merge($this->config, $config);
        }
        $this->options = array_merge($this->config, $options);

        $appid = \app\common\model\Config::get(['name'=>'shop_app_id']);
        $this->appid = $appid->value;
        $app_secret = \app\common\model\Config::get(['name'=>'shop_app_secret']);
        $this->appSecret = $app_secret->value;
        /*$AppModel = new \app\Admin\model\shop\Config();
        $app = $AppModel->find(1);
        $this->appid = $app->mini_app_id;
        $this->appSecret = $app->mini_app_secret;*/
    }

    /**
     *
     * @param array $options 参数
     * @return Auth
     */
    public static function instance($options = [])
    {
        if (is_null(self::$instance)) {
            self::$instance = new static($options);
        }

        return self::$instance;
    }

    /**
     * 获取User模型
     * @return User
     */
    public function getUser()
    {
        return $this->_user;
    }

    /**
     * 兼容调用user模型的属性
     *
     * @param string $name
     * @return mixed
     */
    public function __get($name)
    {
        return $this->_user ? $this->_user->$name : null;
    }

    /**
     * 兼容调用user模型的属性
     */
    public function __isset($name)
    {
        return isset($this->_user) ? isset($this->_user->$name) : false;
    }

    /**
     * 根据Token初始化
     *
     * @param string $token Token
     * @return boolean
     */
    public function init($token)
    {
        if ($this->_logined) {
            return true;
        }
        if ($this->_error) {
            return false;
        }
        $data = Token::get($token);

        if (!$data) {
            return false;
        }
        $user_id = intval($data['user_id']);
        if ($user_id > 0) {
            $user = Admin::get($user_id);
            if (!$user) {
                $this->setError('Account not exist');
                return false;
            }
            $this->_user = $user;
            $this->_logined = true;
            $this->_token = $token;

            //初始化成功的事件
            Hook::listen("shop_user_init_successed", $this->_user);

            return true;
        } else {
            $this->setError('You are not logged in');
            return false;
        }
    }

    /**
     * 注册用户
     *
     * @param string $username 用户名
     * @param string $password 密码
     * @param string $email    邮箱
     * @param string $mobile   手机号
     * @param array  $extend   扩展参数
     * @return boolean
     */
    /*public function register($username, $password, $mobile = '', $extend = [],$code)
    {
        // 检测用户名、昵称、邮箱、手机号是否存在

        if (ShopUser::getByNickname($username)) {
            $this->setError('Nickname already exist');
            return false;
        }

        if ($mobile && ShopUser::getByMobile($mobile)) {
            $this->setError('Mobile already exist');
            return false;
        }

        $data = [
            'password' => $password,
            'mobile'   => $mobile,
            'avatar'   => '/assets/img/avatar.png',
        ];
        $params = array_merge($data, [
            'nickname'  => preg_match("/^1[3-9]{1}\d{9}$/", $username) ? substr_replace($username, '****', 3, 4) : $username,
            'salt'      => Random::alnum(),
        ]);
        $params['password'] = $this->getEncryptPassword($password, $params['salt']);
        $params = array_merge($params, $extend);
        if ($code){
            $res = $this->getOpenid($code);
            if (!$res || empty($res['openid'])) {
                $this->setError('获取用户OpenId失败');
                return false;
            }
            $params['wechat_open_id'] = $res['openid'];
        }
        //账号注册时需要开启事务,避免出现垃圾数据
        Db::startTrans();
        try {
            $user = ShopUser::create($params, true);

            $this->_user = ShopUser::get($user->id);

            //设置Token
            $this->_token = Random::uuid();
            Token::set($this->_token, $user->id, $this->keeptime);

            //设置登录状态
            $this->_logined = true;

            //注册成功的事件
            Hook::listen("shop_user_register_successed", $this->_user, $data);
            Db::commit();
        } catch (Exception $e) {
            $this->setError($e->getMessage());
            Db::rollback();
            return false;
        }
        return true;
    }*/

    /**
     * 用户登录
     *
     * @param string $account  账号,用户名、邮箱、手机号
     * @param string $password 密码
     * @return boolean
     */
    public function login($account, $password)
    {
        $field = Validate::is($account, 'email') ? 'email' : (Validate::regex($account, '/^1\d{10}$/') ? 'mobile' : 'username');
        $user = Admin::get([$field => $account]);
        if (!$user) {
            $this->setError('Account is incorrect');
            return false;
        }

        if ($user->password != $this->getEncryptPassword($password, $user->salt)) {
            $this->setError('Password is incorrect');
            return false;
        }

        //直接登录会员
        return $this->direct($user->id);
    }

    /**
     * 退出
     *
     * @return boolean
     */
    public function logout()
    {
        if (!$this->_logined) {
            $this->setError('You are not logged in');
            return false;
        }
        //设置登录标识
        $this->_logined = false;
        //删除Token
        Token::delete($this->_token);
        //退出成功的事件
        Hook::listen("shop_user_logout_successed", $this->_user);
        return true;
    }

    /**
     * 修改密码
     * @param string $newpassword       新密码
     * @param string $oldpassword       旧密码
     * @param bool   $ignoreoldpassword 忽略旧密码
     * @return boolean
     */
    public function changepwd($newpassword, $oldpassword = '', $ignoreoldpassword = false)
    {
        if (!$this->_logined) {
            $this->setError('You are not logged in');
            return false;
        }
        //判断旧密码是否正确
        if ($this->_user->password == $this->getEncryptPassword($oldpassword, $this->_user->salt) || $ignoreoldpassword) {
            Db::startTrans();
            try {
                $salt = Random::alnum();
                $newpassword = $this->getEncryptPassword($newpassword, $salt);
                $this->_user->save(['loginfailure' => 0, 'password' => $newpassword, 'salt' => $salt]);

                Token::delete($this->_token);
                //修改密码成功的事件
                Hook::listen("user_changepwd_successed", $this->_user);
                Db::commit();
            } catch (Exception $e) {
                Db::rollback();
                $this->setError($e->getMessage());
                return false;
            }
            return true;
        } else {
            $this->setError('Password is incorrect');
            return false;
        }
    }

    /**
     * 直接登录账号
     * @param int $user_id
     * @return boolean
     */
    public function direct($user_id)
    {
        $user = Admin::get($user_id);

        if ($user) {
            Db::startTrans();
            try {

                //记录本次登录的IP和时间

                $user->save();

                $this->_user = $user;

                $this->_token = Random::uuid();
                Token::set($this->_token, $user->id, $this->keeptime);

                $this->_logined = true;

                //登录成功的事件
                Hook::listen("shop_user_login_successed", $this->_user);
                Db::commit();
            } catch (Exception $e) {
                Db::rollback();
                $this->setError($e->getMessage());
                return false;
            }
            return true;
        } else {
            return false;
        }
    }

    /**
     * 检测是否是否有对应权限
     * @param string $path   控制器/方法
     * @param string $module 模块 默认为当前模块
     * @return boolean
     */
    public function check($path = null, $module = null)
    {
        if (!$this->_logined) {
            return false;
        }

        $ruleList = $this->getRuleList();
        $rules = [];
        foreach ($ruleList as $k => $v) {
            $rules[] = $v['name'];
        }
        $url = ($module ? $module : request()->module()) . '/' . (is_null($path) ? $this->getRequestUri() : $path);
        $url = strtolower(str_replace('.', '/', $url));
        return in_array($url, $rules);
    }

    /**
     * 判断是否登录
     * @return boolean
     */
    public function isLogin()
    {
        if ($this->_logined) {
            return true;
        }
        return false;
    }

    /**
     * 获取当前Token
     * @return string
     */
    public function getToken()
    {
        return $this->_token;
    }

    /**
     * 获取会员基本信息
     */
    public function getUserinfo()
    {
        $data = $this->_user->toArray();
        $allowFields = $this->getAllowFields();
        $userinfo = array_intersect_key($data, array_flip($allowFields));
        $userinfo = array_merge($userinfo, Token::get($this->_token));
        return $userinfo;
    }

    /**
     * 获取会员组别规则列表
     * @return array|bool|\PDOStatement|string|\think\Collection
     */
    public function getRuleList()
    {
        if ($this->rules) {
            return $this->rules;
        }
        $group = $this->_user->group;
        if (!$group) {
            return [];
        }
        $rules = explode(',', $group->rules);
        $this->rules = UserRule::where('status', 'normal')->where('id', 'in', $rules)->field('id,pid,name,title,ismenu')->select();
        return $this->rules;
    }

    /**
     * 获取当前请求的URI
     * @return string
     */
    public function getRequestUri()
    {
        return $this->requestUri;
    }

    /**
     * 设置当前请求的URI
     * @param string $uri
     */
    public function setRequestUri($uri)
    {
        $this->requestUri = $uri;
    }

    /**
     * 获取允许输出的字段
     * @return array
     */
    public function getAllowFields()
    {
        return $this->allowFields;
    }

    /**
     * 设置允许输出的字段
     * @param array $fields
     */
    public function setAllowFields($fields)
    {
        $this->allowFields = $fields;
    }

    /**
     * 删除一个指定会员
     * @param int $user_id 会员ID
     * @return boolean
     */
    /*public function delete($user_id)
    {
        $user = ShopUser::get($user_id);
        if (!$user) {
            return false;
        }
        Db::startTrans();
        try {
            // 删除会员
            ShopUser::destroy($user_id);
            // 删除会员指定的所有Token
            Token::clear($user_id);

            Hook::listen("shop_user_delete_successed", $user);
            Db::commit();
        } catch (Exception $e) {
            Db::rollback();
            $this->setError($e->getMessage());
            return false;
        }
        return true;
    }*/

    /**
     * 获取密码加密后的字符串
     * @param string $password 密码
     * @param string $salt     密码盐
     * @return string
     */
    public function getEncryptPassword($password, $salt = '')
    {
        return md5(md5($password) . $salt);
    }

    /**
     * 检测当前控制器和方法是否匹配传递的数组
     *
     * @param array $arr 需要验证权限的数组
     * @return boolean
     */
    public function match($arr = [])
    {
        $request = Request::instance();
        $arr = is_array($arr) ? $arr : explode(',', $arr);
        if (!$arr) {
            return false;
        }
        $arr = array_map('strtolower', $arr);
        // 是否存在
        if (in_array(strtolower($request->action()), $arr) || in_array('*', $arr)) {
            return true;
        }

        // 没找到匹配
        return false;
    }

    /**
     * 设置会话有效时间
     * @param int $keeptime 默认为永久
     */
    public function keeptime($keeptime = 0)
    {
        $this->keeptime = $keeptime;
    }

    /**
     * 渲染用户数据
     * @param array  $datalist  二维数组
     * @param mixed  $fields    加载的字段列表
     * @param string $fieldkey  渲染的字段
     * @param string $renderkey 结果字段
     * @return array
     */
    public function render(&$datalist, $fields = [], $fieldkey = 'user_id', $renderkey = 'userinfo')
    {
        $fields = !$fields ? ['id', 'nickname', 'avatar'] : (is_array($fields) ? $fields : explode(',', $fields));
        $ids = [];
        foreach ($datalist as $k => $v) {
            if (!isset($v[$fieldkey])) {
                continue;
            }
            $ids[] = $v[$fieldkey];
        }
        $list = [];
        if ($ids) {
            if (!in_array('id', $fields)) {
                $fields[] = 'id';
            }
            $ids = array_unique($ids);
            $selectlist = Admin::where('id', 'in', $ids)->column($fields);
            foreach ($selectlist as $k => $v) {
                $list[$v['id']] = $v;
            }
        }
        foreach ($datalist as $k => &$v) {
            $v[$renderkey] = $list[$v[$fieldkey]] ?? null;
        }
        unset($v);
        return $datalist;
    }

    /**
     * 设置错误信息
     *
     * @param string $error 错误信息
     * @return Auth
     */
    public function setError($error)
    {
        $this->_error = $error;
        return $this;
    }

    /**
     * 获取错误信息
     * @return string
     */
    public function getError()
    {
        return $this->_error ? __($this->_error) : '';
    }


    /**
     * Notes:微信登录
     * User: gai
     * Date: 2022/6/17
     * Time: 17:35
     */
    public function wechat_login($val)
    {
        $res = $this->getOpenid($val['code']);
        if (!$res || empty($res['openid'])) {
            $this->setError('获取用户OpenId失败');
            return false;
        }


        $request = Request::instance();
        $domain=$request->domain();

        $user_data = [
            'openId' => $res['openid'],
            //'nickName' => $val['nickname']?$val['nickname']:'灵工港'.rand(000,999),
            //'avatar'=>$val['avatar']?$val['avatar']:'/assets/img/avatar.png',
        ];


        $mobile = $this->getuserphonenumber($val['phone_code']);

        //$user = \app\Admin\model\ShopUser::get(['wechat_open_id' => $user_data['openId']]);
        $user = Admin::get(['username'=>$mobile]);


        if (!$user) {
            $this->setError('用户不存在');
            return false;
        } else {
            //$user->nickname = preg_replace('/[\xf0-\xf7].{3}/', '', $user_data['nickName']);
            //$user->avatar = $user_data['avatar'];
            $user->wechat_open_id = $user_data['openId'];
            $user->save();
        }

        $this->direct($user->id);

        return true;
    }


    /**
     * Notes:微信openid
     * User: gai
     * Date: 2022/6/20
     * Time: 11:40
     */
    public function getOpenid($code){
        $api = "https://api.weixin.qq.com/sns/jscode2session?appid={$this->appid}&secret={$this->appSecret}&js_code={$code}&grant_type=authorization_code";
        $data = Http::sendRequest($api,'','get');
        $res = json_decode($data['msg'], true);
        return $res;
    }


    /**
     * Notes:获取手机号
     * User: gai
     * Date: 2022/6/27
     * Time: 9:59
     */
    public function getuserphonenumber($code){
        $access_token = $this->getAccessToken();
        $api = "https://api.weixin.qq.com/wxa/business/getuserphonenumber?access_token=".$access_token;
        $params = [
            'code'=>$code
        ];
        $data = Http::sendRequest($api,json_encode($params,320),'post');
        $res = json_decode($data['msg'], true);
        if($res['errcode']!=0){
            $this->setError($res['errmsg']);
            return false;
        } else {
            return $res['phone_info']['phoneNumber'];
        }
    }

    /**
     * 获取微信接口的accessToken
     *
     * @param boolean $refresh 是否刷新accessToken
     * @param integer $expires accessToken缓存时间（秒）
     * @return string|null
     */
    public function getAccessToken($refresh = false, $expires = 3600)
    {
        $cacheKey = md5("{$this->appid}@access_token");
        $accessToken = Cache::get($cacheKey);
        $accessTokenOk = $this->checkAccessToken($accessToken);
        if (!$accessToken || $refresh || !$accessTokenOk) {
            $api = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid={$this->appid}&secret={$this->appSecret}";
            $data = Http::sendRequest($api,'','get');
            $res = json_decode($data['msg'], true);
            if (empty($res['access_token'])) {
                $this->errCode = isset($res['errcode']) ? $res['errcode'] : null;
                $this->errMsg = isset($res['errmsg']) ? $res['errmsg'] : null;
                return false;
            }
            $accessToken = $res['access_token'];
            Cache::set($cacheKey, $accessToken, $expires);
            return $accessToken;
        } else {
            return $accessToken;
        }
    }

    private function checkAccessToken($accessToken)
    {
        if (!$accessToken)
            return false;
        $api = "https://api.weixin.qq.com/cgi-bin/getcallbackip?access_token={$accessToken}";
        $data = Http::sendRequest($api,'','get');
        $res = json_decode($data['msg'], true);
        if (!empty($res['errcode']) && $res['errcode'] != 1)
            return false;
        return true;
    }


}
